Taehyun Roh

Assistant Professor of Epidemiology, Texas A&M University

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Taehyun Roh

Childhood exposure to lead can limit cognitive development and cause a drop in IQ. Photo: Yamasan/iStock via Getty Images Plus

Secondhand smoke may be a substantial contributor to lead levels found in children and adolescents, new study finds

08 Sep 2023

3 min read

Down To Earth

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